package com.util;


import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.InputStream;

public class SqlSessionfactoryUtils {
    //工具类获取sqlSessionFactory
    private static SqlSessionFactory sqlSessionFactory;
    static {
        //静态代码块会随着类的加载而自动执行，且只执行一次
        try {
            String resource="mybatis-config.xml";
            InputStream inputStream=Resources.getResourceAsStream(resource);
            sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);

        }catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static SqlSessionFactory getSqlSessionFactory() {
        return sqlSessionFactory;
    }
}
